Gce Model Questions Vol1 2017 Computer Studies Question 47

Practice objective / multiple choice question 47 from the 2017 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2017 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 47 GCE_MODEL_QUESTIONS_VOL1 • 2017 • COMPUTER_STUDIES • objective

Table **A** contains 150 rows with a primary‑key column **ID** holding the integers 1 to 150. Table **B** contains 200 rows; its **ID** column stores only those integers that are multiples of 3, and each such integer appears exactly twice in **B**. An inner join is performed on **A** and **B** using the **ID** column. How many rows are returned by the join?

Answer Options

Correct Answer A. 100
B. 200
C. 150
D. 75
Correct Answer
A
Correct Option:
100

About This Question

This is Gce Model Questions Vol1 2017 Computer Studies Question 47. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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